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Dell's Chief Fuels
Wall Street Worry

Since Mr. Rollins became chief executive in July 2004, the world's largest personal-computer maker by number of PCs shipped has hit a series of speed bumps. In the past five quarters, Dell has missed earnings and sales projections several times and posted disappointing financial results. On top of that, the company has grappled with poor customer service, personnel defections and the recall of 4.1 million laptop batteries that potentially could...